2nd Grade Review

Front

What is an even number?

Back

An even number is a whole number that can be divided by 2 without a remainder. Examples: 2, 4, 6.

Front

What is an odd number?

Back

An odd number is a whole number that cannot be divided by 2 evenly. Examples: 1, 3, 5.

Front

How do you write the number 542 in expanded form?

Back

542 = 500 + 40 + 2.

Front

What is expanded form?

Back

Expanded form is a way to write numbers that shows the value of each digit. For example, 642 = 600 + 40 + 2.

Front

How do you find the total number of items sold?

Back

Add the number of items sold together. For example, if 10 bikes and 12 bikes were sold, the total is 10 + 12 = 22.

Front

What are tally marks?

Back

Tally marks are a way to count items using lines. Every fifth line is drawn diagonally to make counting easier.

Front

How do you count tally marks?

Back

Count each group of four vertical lines as one group, and the diagonal line as a fifth. For example, ||||\ is 5.

Front

What is the value of the digit 6 in the number 60?

Back

In the number 60, the digit 6 represents 60 because it is in the tens place.

Front

What is the value of the digit 0 in the number 60?

Back

In the number 60, the digit 0 represents 0 because it is in the ones place.

Front

How do you determine the favorite food from tally marks?

Back

Count the tally marks for each food item. The food with the most tally marks is the favorite.